In order to improve the safe and efficient production of fully mechanized working face, 143下04 fully mechanized coal working face of Dongtan Mine crossing No. 2 large inclined angle of 142 transportation roadway in Dongtan Mine was taken as the background, strengthening management of roof, cutting layer position control and the equipment management key technology, etc were adopted, without roof caving and roof fall in the working face, crossing auxiliary contact wear layer inclined lane area safely and stably, which provided experience for safe and effective production for fully mechanized coal working face.